I don't think it's that people were scared of the big guy really it's just that the US has become so DAMN Sue happy if you even think about geting involved somehow the guy that was beating the little guy would sue you and MAYBE freaking WIN!..
Me.... I have been looking for a chance to break a F'ing chair over someones head as of late.. so I would have welcomed a sight like this!

messing if those guys watching would have jumped the big man I am SURE they could have stopped it. just my .02 though
Eric